260806716 has 60 divisors (see below), whose sum is σ = 683325720. Its totient is φ = 86741280.

The previous prime is 260806709. The next prime is 260806717. The reversal of 260806716 is 617608062.

It is a happy number.

It is a super-2 number, since 2×260806716² = 136040286221409312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260806717) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 268111 + ... + 269081.

It is an arithmetic number, because the mean of its divisors is an integer number (11388762).

Almost surely, 2^260806716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260806716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341662860).

260806716 is an abundant number, since it is smaller than the sum of its proper divisors (422519004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260806716 is a wasteful number, since it uses less digits than its factorization.

260806716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 260806716 is about 16149.5113238760. The cubic root of 260806716 is about 638.9098596648.

The spelling of 260806716 in words is "two hundred sixty million, eight hundred six thousand, seven hundred sixteen".